Examples with PackageCleanItem android.content.pm.PackageCleanItem used on opensource projects

Example 1 with PackageCleanItem

use of android.content.pm.PackageCleanItem in project android_frameworks_base by ResurrectionRemix.

the class DefaultContainerService method onHandleIntent.

@Override
protected void onHandleIntent(Intent intent) {
    if (PackageManager.ACTION_CLEAN_EXTERNAL_STORAGE.equals(intent.getAction())) {
        final IPackageManager pm = IPackageManager.Stub.asInterface(ServiceManager.getService("package"));
        PackageCleanItem item = null;
        try {
            while ((item = pm.nextPackageToClean(item)) != null) {
                final UserEnvironment userEnv = new UserEnvironment(item.userId);
                eraseFiles(userEnv.buildExternalStorageAppDataDirs(item.packageName));
                eraseFiles(userEnv.buildExternalStorageAppMediaDirs(item.packageName));
                if (item.andCode) {
                    eraseFiles(userEnv.buildExternalStorageAppObbDirs(item.packageName));
                }
            }
        } catch (RemoteException e) {
        }
    }
}

Example 2 with PackageCleanItem

use of android.content.pm.PackageCleanItem in project android_frameworks_base by ResurrectionRemix.

the class Settings method writeLPr.

void writeLPr() {
    // been successfully written.
    if (mSettingsFilename.exists()) {
        // might have been corrupted.
        if (!mBackupSettingsFilename.exists()) {
            if (!mSettingsFilename.renameTo(mBackupSettingsFilename)) {
                Slog.wtf(PackageManagerService.TAG, "Unable to backup package manager settings, " + " current changes will be lost at reboot");
                return;
            }
        } else {
            mSettingsFilename.delete();
            Slog.w(PackageManagerService.TAG, "Preserving older settings backup");
        }
    }
    mPastSignatures.clear();
    try {
        FileOutputStream fstr = new FileOutputStream(mSettingsFilename);
        BufferedOutputStream str = new BufferedOutputStream(fstr);
        //XmlSerializer serializer = XmlUtils.serializerInstance();
        XmlSerializer serializer = new FastXmlSerializer();
        serializer.setOutput(str, StandardCharsets.UTF_8.name());
        serializer.startDocument(null, true);
        serializer.setFeature("http://xmlpull.org/v1/doc/features.html#indent-output", true);
        serializer.startTag(null, "packages");
        for (int i = 0; i < mVersion.size(); i++) {
            final String volumeUuid = mVersion.keyAt(i);
            final VersionInfo ver = mVersion.valueAt(i);
            serializer.startTag(null, TAG_VERSION);
            XmlUtils.writeStringAttribute(serializer, ATTR_VOLUME_UUID, volumeUuid);
            XmlUtils.writeIntAttribute(serializer, ATTR_SDK_VERSION, ver.sdkVersion);
            XmlUtils.writeIntAttribute(serializer, ATTR_DATABASE_VERSION, ver.databaseVersion);
            XmlUtils.writeStringAttribute(serializer, ATTR_FINGERPRINT, ver.fingerprint);
            serializer.endTag(null, TAG_VERSION);
        }
        if (mVerifierDeviceIdentity != null) {
            serializer.startTag(null, "verifier");
            serializer.attribute(null, "device", mVerifierDeviceIdentity.toString());
            serializer.endTag(null, "verifier");
        }
        if (mReadExternalStorageEnforced != null) {
            serializer.startTag(null, TAG_READ_EXTERNAL_STORAGE);
            serializer.attribute(null, ATTR_ENFORCEMENT, mReadExternalStorageEnforced ? "1" : "0");
            serializer.endTag(null, TAG_READ_EXTERNAL_STORAGE);
        }
        serializer.startTag(null, "permission-trees");
        for (BasePermission bp : mPermissionTrees.values()) {
            writePermissionLPr(serializer, bp);
        }
        serializer.endTag(null, "permission-trees");
        serializer.startTag(null, "permissions");
        for (BasePermission bp : mPermissions.values()) {
            writePermissionLPr(serializer, bp);
        }
        serializer.endTag(null, "permissions");
        for (final PackageSetting pkg : mPackages.values()) {
            writePackageLPr(serializer, pkg);
        }
        for (final PackageSetting pkg : mDisabledSysPackages.values()) {
            writeDisabledSysPackageLPr(serializer, pkg);
        }
        for (final SharedUserSetting usr : mSharedUsers.values()) {
            serializer.startTag(null, "shared-user");
            serializer.attribute(null, ATTR_NAME, usr.name);
            serializer.attribute(null, "userId", Integer.toString(usr.userId));
            usr.signatures.writeXml(serializer, "sigs", mPastSignatures);
            writePermissionsLPr(serializer, usr.getPermissionsState().getInstallPermissionStates());
            serializer.endTag(null, "shared-user");
        }
        if (mPackagesToBeCleaned.size() > 0) {
            for (PackageCleanItem item : mPackagesToBeCleaned) {
                final String userStr = Integer.toString(item.userId);
                serializer.startTag(null, "cleaning-package");
                serializer.attribute(null, ATTR_NAME, item.packageName);
                serializer.attribute(null, ATTR_CODE, item.andCode ? "true" : "false");
                serializer.attribute(null, ATTR_USER, userStr);
                serializer.endTag(null, "cleaning-package");
            }
        }
        if (mRenamedPackages.size() > 0) {
            for (Map.Entry<String, String> e : mRenamedPackages.entrySet()) {
                serializer.startTag(null, "renamed-package");
                serializer.attribute(null, "new", e.getKey());
                serializer.attribute(null, "old", e.getValue());
                serializer.endTag(null, "renamed-package");
            }
        }
        final int numIVIs = mRestoredIntentFilterVerifications.size();
        if (numIVIs > 0) {
            if (DEBUG_DOMAIN_VERIFICATION) {
                Slog.i(TAG, "Writing restored-ivi entries to packages.xml");
            }
            serializer.startTag(null, "restored-ivi");
            for (int i = 0; i < numIVIs; i++) {
                IntentFilterVerificationInfo ivi = mRestoredIntentFilterVerifications.valueAt(i);
                writeDomainVerificationsLPr(serializer, ivi);
            }
            serializer.endTag(null, "restored-ivi");
        } else {
            if (DEBUG_DOMAIN_VERIFICATION) {
                Slog.i(TAG, "  no restored IVI entries to write");
            }
        }
        mKeySetManagerService.writeKeySetManagerServiceLPr(serializer);
        serializer.endTag(null, "packages");
        serializer.endDocument();
        str.flush();
        FileUtils.sync(fstr);
        str.close();
        // New settings successfully written, old ones are no longer
        // needed.
        mBackupSettingsFilename.delete();
        FileUtils.setPermissions(mSettingsFilename.toString(), FileUtils.S_IRUSR | FileUtils.S_IWUSR | FileUtils.S_IRGRP | FileUtils.S_IWGRP, -1, -1);
        writeKernelMappingLPr();
        writePackageListLPr();
        writeAllUsersPackageRestrictionsLPr();
        writeAllRuntimePermissionsLPr();
        return;
    } catch (XmlPullParserException e) {
        Slog.wtf(PackageManagerService.TAG, "Unable to write package manager settings, " + "current changes will be lost at reboot", e);
    } catch (java.io.IOException e) {
        Slog.wtf(PackageManagerService.TAG, "Unable to write package manager settings, " + "current changes will be lost at reboot", e);
    }
    // Clean up partially written files
    if (mSettingsFilename.exists()) {
        if (!mSettingsFilename.delete()) {
            Slog.wtf(PackageManagerService.TAG, "Failed to clean up mangled file: " + mSettingsFilename);
        }
    }
//Debug.stopMethodTracing();
}

Example 3 with PackageCleanItem

use of android.content.pm.PackageCleanItem in project android_frameworks_base by DirtyUnicorns.

the class Settings method readLPw.

boolean readLPw(@NonNull List<UserInfo> users) {
    FileInputStream str = null;
    if (mBackupSettingsFilename.exists()) {
        try {
            str = new FileInputStream(mBackupSettingsFilename);
            mReadMessages.append("Reading from backup settings file\n");
            PackageManagerService.reportSettingsProblem(Log.INFO, "Need to read from backup settings file");
            if (mSettingsFilename.exists()) {
                // If both the backup and settings file exist, we
                // ignore the settings since it might have been
                // corrupted.
                Slog.w(PackageManagerService.TAG, "Cleaning up settings file " + mSettingsFilename);
                mSettingsFilename.delete();
            }
        } catch (java.io.IOException e) {
        // We'll try for the normal settings file.
        }
    }
    mPendingPackages.clear();
    mPastSignatures.clear();
    mKeySetRefs.clear();
    mInstallerPackages.clear();
    try {
        if (str == null) {
            if (!mSettingsFilename.exists()) {
                mReadMessages.append("No settings file found\n");
                PackageManagerService.reportSettingsProblem(Log.INFO, "No settings file; creating initial state");
                // It's enough to just touch version details to create them
                // with default values
                findOrCreateVersion(StorageManager.UUID_PRIVATE_INTERNAL);
                findOrCreateVersion(StorageManager.UUID_PRIMARY_PHYSICAL);
                return false;
            }
            str = new FileInputStream(mSettingsFilename);
        }
        XmlPullParser parser = Xml.newPullParser();
        parser.setInput(str, StandardCharsets.UTF_8.name());
        int type;
        while ((type = parser.next()) != XmlPullParser.START_TAG && type != XmlPullParser.END_DOCUMENT) {
            ;
        }
        if (type != XmlPullParser.START_TAG) {
            mReadMessages.append("No start tag found in settings file\n");
            PackageManagerService.reportSettingsProblem(Log.WARN, "No start tag found in package manager settings");
            Slog.wtf(PackageManagerService.TAG, "No start tag found in package manager settings");
            return false;
        }
        int outerDepth = parser.getDepth();
        while ((type = parser.next()) != XmlPullParser.END_DOCUMENT && (type != XmlPullParser.END_TAG || parser.getDepth() > outerDepth)) {
            if (type == XmlPullParser.END_TAG || type == XmlPullParser.TEXT) {
                continue;
            }
            String tagName = parser.getName();
            if (tagName.equals("package")) {
                readPackageLPw(parser);
            } else if (tagName.equals("permissions")) {
                readPermissionsLPw(mPermissions, parser);
            } else if (tagName.equals("permission-trees")) {
                readPermissionsLPw(mPermissionTrees, parser);
            } else if (tagName.equals("shared-user")) {
                readSharedUserLPw(parser);
            } else if (tagName.equals("preferred-packages")) {
            // no longer used.
            } else if (tagName.equals("preferred-activities")) {
                // Upgrading from old single-user implementation;
                // these are the preferred activities for user 0.
                readPreferredActivitiesLPw(parser, 0);
            } else if (tagName.equals(TAG_PERSISTENT_PREFERRED_ACTIVITIES)) {
                // TODO: check whether this is okay! as it is very
                // similar to how preferred-activities are treated
                readPersistentPreferredActivitiesLPw(parser, 0);
            } else if (tagName.equals(TAG_CROSS_PROFILE_INTENT_FILTERS)) {
                // TODO: check whether this is okay! as it is very
                // similar to how preferred-activities are treated
                readCrossProfileIntentFiltersLPw(parser, 0);
            } else if (tagName.equals(TAG_DEFAULT_BROWSER)) {
                readDefaultAppsLPw(parser, 0);
            } else if (tagName.equals("updated-package")) {
                readDisabledSysPackageLPw(parser);
            } else if (tagName.equals("cleaning-package")) {
                String name = parser.getAttributeValue(null, ATTR_NAME);
                String userStr = parser.getAttributeValue(null, ATTR_USER);
                String codeStr = parser.getAttributeValue(null, ATTR_CODE);
                if (name != null) {
                    int userId = UserHandle.USER_SYSTEM;
                    boolean andCode = true;
                    try {
                        if (userStr != null) {
                            userId = Integer.parseInt(userStr);
                        }
                    } catch (NumberFormatException e) {
                    }
                    if (codeStr != null) {
                        andCode = Boolean.parseBoolean(codeStr);
                    }
                    addPackageToCleanLPw(new PackageCleanItem(userId, name, andCode));
                }
            } else if (tagName.equals("renamed-package")) {
                String nname = parser.getAttributeValue(null, "new");
                String oname = parser.getAttributeValue(null, "old");
                if (nname != null && oname != null) {
                    mRenamedPackages.put(nname, oname);
                }
            } else if (tagName.equals("restored-ivi")) {
                readRestoredIntentFilterVerifications(parser);
            } else if (tagName.equals("last-platform-version")) {
                // Upgrade from older XML schema
                final VersionInfo internal = findOrCreateVersion(StorageManager.UUID_PRIVATE_INTERNAL);
                final VersionInfo external = findOrCreateVersion(StorageManager.UUID_PRIMARY_PHYSICAL);
                internal.sdkVersion = XmlUtils.readIntAttribute(parser, "internal", 0);
                external.sdkVersion = XmlUtils.readIntAttribute(parser, "external", 0);
                internal.fingerprint = external.fingerprint = XmlUtils.readStringAttribute(parser, "fingerprint");
            } else if (tagName.equals("database-version")) {
                // Upgrade from older XML schema
                final VersionInfo internal = findOrCreateVersion(StorageManager.UUID_PRIVATE_INTERNAL);
                final VersionInfo external = findOrCreateVersion(StorageManager.UUID_PRIMARY_PHYSICAL);
                internal.databaseVersion = XmlUtils.readIntAttribute(parser, "internal", 0);
                external.databaseVersion = XmlUtils.readIntAttribute(parser, "external", 0);
            } else if (tagName.equals("verifier")) {
                final String deviceIdentity = parser.getAttributeValue(null, "device");
                try {
                    mVerifierDeviceIdentity = VerifierDeviceIdentity.parse(deviceIdentity);
                } catch (IllegalArgumentException e) {
                    Slog.w(PackageManagerService.TAG, "Discard invalid verifier device id: " + e.getMessage());
                }
            } else if (TAG_READ_EXTERNAL_STORAGE.equals(tagName)) {
                final String enforcement = parser.getAttributeValue(null, ATTR_ENFORCEMENT);
                mReadExternalStorageEnforced = "1".equals(enforcement);
            } else if (tagName.equals("keyset-settings")) {
                mKeySetManagerService.readKeySetsLPw(parser, mKeySetRefs);
            } else if (TAG_VERSION.equals(tagName)) {
                final String volumeUuid = XmlUtils.readStringAttribute(parser, ATTR_VOLUME_UUID);
                final VersionInfo ver = findOrCreateVersion(volumeUuid);
                ver.sdkVersion = XmlUtils.readIntAttribute(parser, ATTR_SDK_VERSION);
                ver.databaseVersion = XmlUtils.readIntAttribute(parser, ATTR_SDK_VERSION);
                ver.fingerprint = XmlUtils.readStringAttribute(parser, ATTR_FINGERPRINT);
            } else {
                Slog.w(PackageManagerService.TAG, "Unknown element under <packages>: " + parser.getName());
                XmlUtils.skipCurrentTag(parser);
            }
        }
    } catch (XmlPullParserException | IOException | NumberFormatException e) {
        mSettingsFilename.delete();
        mReadMessages.append("Error reading: " + e.toString());
        PackageManagerService.reportSettingsProblem(Log.ERROR, "Error reading settings: " + e);
        Slog.wtf(PackageManagerService.TAG, "Error reading package manager settings", e);
        throw new IllegalStateException("Failed parsing settings file: " + mSettingsFilename, e);
    } finally {
        IoUtils.closeQuietly(str);
    }
    // on update drop the files before loading them.
    if (PackageManagerService.CLEAR_RUNTIME_PERMISSIONS_ON_UPGRADE) {
        final VersionInfo internal = getInternalVersion();
        if (!Build.FINGERPRINT.equals(internal.fingerprint)) {
            for (UserInfo user : users) {
                mRuntimePermissionsPersistence.deleteUserRuntimePermissionsFile(user.id);
            }
        }
    }
    final int N = mPendingPackages.size();
    for (int i = 0; i < N; i++) {
        final PendingPackage pp = mPendingPackages.get(i);
        Object idObj = getUserIdLPr(pp.sharedId);
        if (idObj != null && idObj instanceof SharedUserSetting) {
            PackageSetting p = getPackageLPw(pp.name, null, pp.realName, (SharedUserSetting) idObj, pp.codePath, pp.resourcePath, pp.legacyNativeLibraryPathString, pp.primaryCpuAbiString, pp.secondaryCpuAbiString, pp.versionCode, pp.pkgFlags, pp.pkgPrivateFlags, null, true, /* add */
            false, /* allowInstall */
            pp.parentPackageName, pp.childPackageNames);
            if (p == null) {
                PackageManagerService.reportSettingsProblem(Log.WARN, "Unable to create application package for " + pp.name);
                continue;
            }
            p.copyFrom(pp);
        } else if (idObj != null) {
            String msg = "Bad package setting: package " + pp.name + " has shared uid " + pp.sharedId + " that is not a shared uid\n";
            mReadMessages.append(msg);
            PackageManagerService.reportSettingsProblem(Log.ERROR, msg);
        } else {
            String msg = "Bad package setting: package " + pp.name + " has shared uid " + pp.sharedId + " that is not defined\n";
            mReadMessages.append(msg);
            PackageManagerService.reportSettingsProblem(Log.ERROR, msg);
        }
    }
    mPendingPackages.clear();
    if (mBackupStoppedPackagesFilename.exists() || mStoppedPackagesFilename.exists()) {
        // Read old file
        readStoppedLPw();
        mBackupStoppedPackagesFilename.delete();
        mStoppedPackagesFilename.delete();
        // Migrate to new file format
        writePackageRestrictionsLPr(UserHandle.USER_SYSTEM);
    } else {
        for (UserInfo user : users) {
            readPackageRestrictionsLPr(user.id);
        }
    }
    for (UserInfo user : users) {
        mRuntimePermissionsPersistence.readStateForUserSyncLPr(user.id);
    }
    /*
         * Make sure all the updated system packages have their shared users
         * associated with them.
         */
    final Iterator<PackageSetting> disabledIt = mDisabledSysPackages.values().iterator();
    while (disabledIt.hasNext()) {
        final PackageSetting disabledPs = disabledIt.next();
        final Object id = getUserIdLPr(disabledPs.appId);
        if (id != null && id instanceof SharedUserSetting) {
            disabledPs.sharedUser = (SharedUserSetting) id;
        }
    }
    mReadMessages.append("Read completed successfully: " + mPackages.size() + " packages, " + mSharedUsers.size() + " shared uids\n");
    writeKernelMappingLPr();
    return true;
}

Example 4 with PackageCleanItem

use of android.content.pm.PackageCleanItem in project platform_frameworks_base by android.

the class Settings method readLPw.

boolean readLPw(@NonNull List<UserInfo> users) {
    FileInputStream str = null;
    if (mBackupSettingsFilename.exists()) {
        try {
            str = new FileInputStream(mBackupSettingsFilename);
            mReadMessages.append("Reading from backup settings file\n");
            PackageManagerService.reportSettingsProblem(Log.INFO, "Need to read from backup settings file");
            if (mSettingsFilename.exists()) {
                // If both the backup and settings file exist, we
                // ignore the settings since it might have been
                // corrupted.
                Slog.w(PackageManagerService.TAG, "Cleaning up settings file " + mSettingsFilename);
                mSettingsFilename.delete();
            }
        } catch (java.io.IOException e) {
        // We'll try for the normal settings file.
        }
    }
    mPendingPackages.clear();
    mPastSignatures.clear();
    mKeySetRefs.clear();
    mInstallerPackages.clear();
    try {
        if (str == null) {
            if (!mSettingsFilename.exists()) {
                mReadMessages.append("No settings file found\n");
                PackageManagerService.reportSettingsProblem(Log.INFO, "No settings file; creating initial state");
                // It's enough to just touch version details to create them
                // with default values
                findOrCreateVersion(StorageManager.UUID_PRIVATE_INTERNAL).forceCurrent();
                findOrCreateVersion(StorageManager.UUID_PRIMARY_PHYSICAL).forceCurrent();
                return false;
            }
            str = new FileInputStream(mSettingsFilename);
        }
        XmlPullParser parser = Xml.newPullParser();
        parser.setInput(str, StandardCharsets.UTF_8.name());
        int type;
        while ((type = parser.next()) != XmlPullParser.START_TAG && type != XmlPullParser.END_DOCUMENT) {
            ;
        }
        if (type != XmlPullParser.START_TAG) {
            mReadMessages.append("No start tag found in settings file\n");
            PackageManagerService.reportSettingsProblem(Log.WARN, "No start tag found in package manager settings");
            Slog.wtf(PackageManagerService.TAG, "No start tag found in package manager settings");
            return false;
        }
        int outerDepth = parser.getDepth();
        while ((type = parser.next()) != XmlPullParser.END_DOCUMENT && (type != XmlPullParser.END_TAG || parser.getDepth() > outerDepth)) {
            if (type == XmlPullParser.END_TAG || type == XmlPullParser.TEXT) {
                continue;
            }
            String tagName = parser.getName();
            if (tagName.equals("package")) {
                readPackageLPw(parser);
            } else if (tagName.equals("permissions")) {
                readPermissionsLPw(mPermissions, parser);
            } else if (tagName.equals("permission-trees")) {
                readPermissionsLPw(mPermissionTrees, parser);
            } else if (tagName.equals("shared-user")) {
                readSharedUserLPw(parser);
            } else if (tagName.equals("preferred-packages")) {
            // no longer used.
            } else if (tagName.equals("preferred-activities")) {
                // Upgrading from old single-user implementation;
                // these are the preferred activities for user 0.
                readPreferredActivitiesLPw(parser, 0);
            } else if (tagName.equals(TAG_PERSISTENT_PREFERRED_ACTIVITIES)) {
                // TODO: check whether this is okay! as it is very
                // similar to how preferred-activities are treated
                readPersistentPreferredActivitiesLPw(parser, 0);
            } else if (tagName.equals(TAG_CROSS_PROFILE_INTENT_FILTERS)) {
                // TODO: check whether this is okay! as it is very
                // similar to how preferred-activities are treated
                readCrossProfileIntentFiltersLPw(parser, 0);
            } else if (tagName.equals(TAG_DEFAULT_BROWSER)) {
                readDefaultAppsLPw(parser, 0);
            } else if (tagName.equals("updated-package")) {
                readDisabledSysPackageLPw(parser);
            } else if (tagName.equals("cleaning-package")) {
                String name = parser.getAttributeValue(null, ATTR_NAME);
                String userStr = parser.getAttributeValue(null, ATTR_USER);
                String codeStr = parser.getAttributeValue(null, ATTR_CODE);
                if (name != null) {
                    int userId = UserHandle.USER_SYSTEM;
                    boolean andCode = true;
                    try {
                        if (userStr != null) {
                            userId = Integer.parseInt(userStr);
                        }
                    } catch (NumberFormatException e) {
                    }
                    if (codeStr != null) {
                        andCode = Boolean.parseBoolean(codeStr);
                    }
                    addPackageToCleanLPw(new PackageCleanItem(userId, name, andCode));
                }
            } else if (tagName.equals("renamed-package")) {
                String nname = parser.getAttributeValue(null, "new");
                String oname = parser.getAttributeValue(null, "old");
                if (nname != null && oname != null) {
                    mRenamedPackages.put(nname, oname);
                }
            } else if (tagName.equals("restored-ivi")) {
                readRestoredIntentFilterVerifications(parser);
            } else if (tagName.equals("last-platform-version")) {
                // Upgrade from older XML schema
                final VersionInfo internal = findOrCreateVersion(StorageManager.UUID_PRIVATE_INTERNAL);
                final VersionInfo external = findOrCreateVersion(StorageManager.UUID_PRIMARY_PHYSICAL);
                internal.sdkVersion = XmlUtils.readIntAttribute(parser, "internal", 0);
                external.sdkVersion = XmlUtils.readIntAttribute(parser, "external", 0);
                internal.fingerprint = external.fingerprint = XmlUtils.readStringAttribute(parser, "fingerprint");
            } else if (tagName.equals("database-version")) {
                // Upgrade from older XML schema
                final VersionInfo internal = findOrCreateVersion(StorageManager.UUID_PRIVATE_INTERNAL);
                final VersionInfo external = findOrCreateVersion(StorageManager.UUID_PRIMARY_PHYSICAL);
                internal.databaseVersion = XmlUtils.readIntAttribute(parser, "internal", 0);
                external.databaseVersion = XmlUtils.readIntAttribute(parser, "external", 0);
            } else if (tagName.equals("verifier")) {
                final String deviceIdentity = parser.getAttributeValue(null, "device");
                try {
                    mVerifierDeviceIdentity = VerifierDeviceIdentity.parse(deviceIdentity);
                } catch (IllegalArgumentException e) {
                    Slog.w(PackageManagerService.TAG, "Discard invalid verifier device id: " + e.getMessage());
                }
            } else if (TAG_READ_EXTERNAL_STORAGE.equals(tagName)) {
                final String enforcement = parser.getAttributeValue(null, ATTR_ENFORCEMENT);
                mReadExternalStorageEnforced = "1".equals(enforcement);
            } else if (tagName.equals("keyset-settings")) {
                mKeySetManagerService.readKeySetsLPw(parser, mKeySetRefs);
            } else if (TAG_VERSION.equals(tagName)) {
                final String volumeUuid = XmlUtils.readStringAttribute(parser, ATTR_VOLUME_UUID);
                final VersionInfo ver = findOrCreateVersion(volumeUuid);
                ver.sdkVersion = XmlUtils.readIntAttribute(parser, ATTR_SDK_VERSION);
                ver.databaseVersion = XmlUtils.readIntAttribute(parser, ATTR_SDK_VERSION);
                ver.fingerprint = XmlUtils.readStringAttribute(parser, ATTR_FINGERPRINT);
            } else {
                Slog.w(PackageManagerService.TAG, "Unknown element under <packages>: " + parser.getName());
                XmlUtils.skipCurrentTag(parser);
            }
        }
        str.close();
    } catch (XmlPullParserException e) {
        mReadMessages.append("Error reading: " + e.toString());
        PackageManagerService.reportSettingsProblem(Log.ERROR, "Error reading settings: " + e);
        Slog.wtf(PackageManagerService.TAG, "Error reading package manager settings", e);
    } catch (java.io.IOException e) {
        mReadMessages.append("Error reading: " + e.toString());
        PackageManagerService.reportSettingsProblem(Log.ERROR, "Error reading settings: " + e);
        Slog.wtf(PackageManagerService.TAG, "Error reading package manager settings", e);
    }
    // on update drop the files before loading them.
    if (PackageManagerService.CLEAR_RUNTIME_PERMISSIONS_ON_UPGRADE) {
        final VersionInfo internal = getInternalVersion();
        if (!Build.FINGERPRINT.equals(internal.fingerprint)) {
            for (UserInfo user : users) {
                mRuntimePermissionsPersistence.deleteUserRuntimePermissionsFile(user.id);
            }
        }
    }
    final int N = mPendingPackages.size();
    for (int i = 0; i < N; i++) {
        final PendingPackage pp = mPendingPackages.get(i);
        Object idObj = getUserIdLPr(pp.sharedId);
        if (idObj != null && idObj instanceof SharedUserSetting) {
            PackageSetting p = getPackageLPw(pp.name, null, pp.realName, (SharedUserSetting) idObj, pp.codePath, pp.resourcePath, pp.legacyNativeLibraryPathString, pp.primaryCpuAbiString, pp.secondaryCpuAbiString, pp.versionCode, pp.pkgFlags, pp.pkgPrivateFlags, null, true, /* add */
            false, /* allowInstall */
            pp.parentPackageName, pp.childPackageNames);
            if (p == null) {
                PackageManagerService.reportSettingsProblem(Log.WARN, "Unable to create application package for " + pp.name);
                continue;
            }
            p.copyFrom(pp);
        } else if (idObj != null) {
            String msg = "Bad package setting: package " + pp.name + " has shared uid " + pp.sharedId + " that is not a shared uid\n";
            mReadMessages.append(msg);
            PackageManagerService.reportSettingsProblem(Log.ERROR, msg);
        } else {
            String msg = "Bad package setting: package " + pp.name + " has shared uid " + pp.sharedId + " that is not defined\n";
            mReadMessages.append(msg);
            PackageManagerService.reportSettingsProblem(Log.ERROR, msg);
        }
    }
    mPendingPackages.clear();
    if (mBackupStoppedPackagesFilename.exists() || mStoppedPackagesFilename.exists()) {
        // Read old file
        readStoppedLPw();
        mBackupStoppedPackagesFilename.delete();
        mStoppedPackagesFilename.delete();
        // Migrate to new file format
        writePackageRestrictionsLPr(UserHandle.USER_SYSTEM);
    } else {
        for (UserInfo user : users) {
            readPackageRestrictionsLPr(user.id);
        }
    }
    for (UserInfo user : users) {
        mRuntimePermissionsPersistence.readStateForUserSyncLPr(user.id);
    }
    /*
         * Make sure all the updated system packages have their shared users
         * associated with them.
         */
    final Iterator<PackageSetting> disabledIt = mDisabledSysPackages.values().iterator();
    while (disabledIt.hasNext()) {
        final PackageSetting disabledPs = disabledIt.next();
        final Object id = getUserIdLPr(disabledPs.appId);
        if (id != null && id instanceof SharedUserSetting) {
            disabledPs.sharedUser = (SharedUserSetting) id;
        }
    }
    mReadMessages.append("Read completed successfully: " + mPackages.size() + " packages, " + mSharedUsers.size() + " shared uids\n");
    writeKernelMappingLPr();
    return true;
}

Example 5 with PackageCleanItem

use of android.content.pm.PackageCleanItem in project platform_frameworks_base by android.

the class Settings method writeLPr.

void writeLPr() {
    // been successfully written.
    if (mSettingsFilename.exists()) {
        // might have been corrupted.
        if (!mBackupSettingsFilename.exists()) {
            if (!mSettingsFilename.renameTo(mBackupSettingsFilename)) {
                Slog.wtf(PackageManagerService.TAG, "Unable to backup package manager settings, " + " current changes will be lost at reboot");
                return;
            }
        } else {
            mSettingsFilename.delete();
            Slog.w(PackageManagerService.TAG, "Preserving older settings backup");
        }
    }
    mPastSignatures.clear();
    try {
        FileOutputStream fstr = new FileOutputStream(mSettingsFilename);
        BufferedOutputStream str = new BufferedOutputStream(fstr);
        //XmlSerializer serializer = XmlUtils.serializerInstance();
        XmlSerializer serializer = new FastXmlSerializer();
        serializer.setOutput(str, StandardCharsets.UTF_8.name());
        serializer.startDocument(null, true);
        serializer.setFeature("http://xmlpull.org/v1/doc/features.html#indent-output", true);
        serializer.startTag(null, "packages");
        for (int i = 0; i < mVersion.size(); i++) {
            final String volumeUuid = mVersion.keyAt(i);
            final VersionInfo ver = mVersion.valueAt(i);
            serializer.startTag(null, TAG_VERSION);
            XmlUtils.writeStringAttribute(serializer, ATTR_VOLUME_UUID, volumeUuid);
            XmlUtils.writeIntAttribute(serializer, ATTR_SDK_VERSION, ver.sdkVersion);
            XmlUtils.writeIntAttribute(serializer, ATTR_DATABASE_VERSION, ver.databaseVersion);
            XmlUtils.writeStringAttribute(serializer, ATTR_FINGERPRINT, ver.fingerprint);
            serializer.endTag(null, TAG_VERSION);
        }
        if (mVerifierDeviceIdentity != null) {
            serializer.startTag(null, "verifier");
            serializer.attribute(null, "device", mVerifierDeviceIdentity.toString());
            serializer.endTag(null, "verifier");
        }
        if (mReadExternalStorageEnforced != null) {
            serializer.startTag(null, TAG_READ_EXTERNAL_STORAGE);
            serializer.attribute(null, ATTR_ENFORCEMENT, mReadExternalStorageEnforced ? "1" : "0");
            serializer.endTag(null, TAG_READ_EXTERNAL_STORAGE);
        }
        serializer.startTag(null, "permission-trees");
        for (BasePermission bp : mPermissionTrees.values()) {
            writePermissionLPr(serializer, bp);
        }
        serializer.endTag(null, "permission-trees");
        serializer.startTag(null, "permissions");
        for (BasePermission bp : mPermissions.values()) {
            writePermissionLPr(serializer, bp);
        }
        serializer.endTag(null, "permissions");
        for (final PackageSetting pkg : mPackages.values()) {
            writePackageLPr(serializer, pkg);
        }
        for (final PackageSetting pkg : mDisabledSysPackages.values()) {
            writeDisabledSysPackageLPr(serializer, pkg);
        }
        for (final SharedUserSetting usr : mSharedUsers.values()) {
            serializer.startTag(null, "shared-user");
            serializer.attribute(null, ATTR_NAME, usr.name);
            serializer.attribute(null, "userId", Integer.toString(usr.userId));
            usr.signatures.writeXml(serializer, "sigs", mPastSignatures);
            writePermissionsLPr(serializer, usr.getPermissionsState().getInstallPermissionStates());
            serializer.endTag(null, "shared-user");
        }
        if (mPackagesToBeCleaned.size() > 0) {
            for (PackageCleanItem item : mPackagesToBeCleaned) {
                final String userStr = Integer.toString(item.userId);
                serializer.startTag(null, "cleaning-package");
                serializer.attribute(null, ATTR_NAME, item.packageName);
                serializer.attribute(null, ATTR_CODE, item.andCode ? "true" : "false");
                serializer.attribute(null, ATTR_USER, userStr);
                serializer.endTag(null, "cleaning-package");
            }
        }
        if (mRenamedPackages.size() > 0) {
            for (Map.Entry<String, String> e : mRenamedPackages.entrySet()) {
                serializer.startTag(null, "renamed-package");
                serializer.attribute(null, "new", e.getKey());
                serializer.attribute(null, "old", e.getValue());
                serializer.endTag(null, "renamed-package");
            }
        }
        final int numIVIs = mRestoredIntentFilterVerifications.size();
        if (numIVIs > 0) {
            if (DEBUG_DOMAIN_VERIFICATION) {
                Slog.i(TAG, "Writing restored-ivi entries to packages.xml");
            }
            serializer.startTag(null, "restored-ivi");
            for (int i = 0; i < numIVIs; i++) {
                IntentFilterVerificationInfo ivi = mRestoredIntentFilterVerifications.valueAt(i);
                writeDomainVerificationsLPr(serializer, ivi);
            }
            serializer.endTag(null, "restored-ivi");
        } else {
            if (DEBUG_DOMAIN_VERIFICATION) {
                Slog.i(TAG, "  no restored IVI entries to write");
            }
        }
        mKeySetManagerService.writeKeySetManagerServiceLPr(serializer);
        serializer.endTag(null, "packages");
        serializer.endDocument();
        str.flush();
        FileUtils.sync(fstr);
        str.close();
        // New settings successfully written, old ones are no longer
        // needed.
        mBackupSettingsFilename.delete();
        FileUtils.setPermissions(mSettingsFilename.toString(), FileUtils.S_IRUSR | FileUtils.S_IWUSR | FileUtils.S_IRGRP | FileUtils.S_IWGRP, -1, -1);
        writeKernelMappingLPr();
        writePackageListLPr();
        writeAllUsersPackageRestrictionsLPr();
        writeAllRuntimePermissionsLPr();
        return;
    } catch (XmlPullParserException e) {
        Slog.wtf(PackageManagerService.TAG, "Unable to write package manager settings, " + "current changes will be lost at reboot", e);
    } catch (java.io.IOException e) {
        Slog.wtf(PackageManagerService.TAG, "Unable to write package manager settings, " + "current changes will be lost at reboot", e);
    }
    // Clean up partially written files
    if (mSettingsFilename.exists()) {
        if (!mSettingsFilename.delete()) {
            Slog.wtf(PackageManagerService.TAG, "Failed to clean up mangled file: " + mSettingsFilename);
        }
    }
//Debug.stopMethodTracing();
}